Waves don’t die! Ocean tides are one of the most reliable phenomena in the world. Traveling around the world at 450 miles per hour, tides have no beginning and no end. The 12-hour gradual rise and fall we see on the beach is the wave’s passing, first its crest and then its trough.Did you know: The astronomical forces causing the tide (the moon and sun) don’t just affect the ocean. Their gravitational forces produce tidal movement everywhere, including the solid earth, the atmosphere, and even in